package com.ynxbd.common.helper;

import org.apache.commons.codec.digest.DigestUtils;

public class TestHelper {
    public static void main(String[] args) {
        String treatNum = "1579733" + "huiyou69";
        String key = DigestUtils.md5Hex(treatNum).toUpperCase();
        System.out.println(key);
        String substring = key.substring(3, 12);
        System.out.println(substring);
    }
}